英语film作胶卷时两卷胶卷是two rolls of film 还是two rolls of films?
问题描述:
英语film作胶卷时两卷胶卷是two rolls of film 还是two rolls of films?
答
是two rolls of film,意思是两卷胶卷,也可以是two films,但最好用two rolls of film.